
jq:tldr:7cf6c
This command takes the contents of a JSON file and passes it to the jq
command for further processing.
${cat filename-json}
: This portion uses the cat
command to read and output the contents of the file specified by filename-json
. The $
sign is used for variable substitution, so the actual value of filename-json
will be substituted here.
|
: This is a pipe symbol used to redirect the output of the previous command as input to the next command.
jq '.'
: This part executes the jq
command with a period (.
) argument. jq
is a command-line JSON processor that allows you to manipulate and extract data from JSON files. The period argument .
represents the root object of the JSON, so this command will simply print the entire JSON structure as output without any modification.
In summary, the command reads the contents of a JSON file using cat
, passes it to jq
for processing, and finally prints the JSON structure as output.